Question 130 of 201 tasco Exam
Which statement about a centrifugal cargo pump is TRUE?
A It is a positive displacement pump.
B It must have a positive suction.
Correct
C Increasing rotation speed will decrease discharge pressure.
Answer & Explanation
The correct answer is Option B: It must have a positive suction..
Centrifugal pumps are not self-priming and require a positive suction head to operate, as they rely on the fluid filling the impeller casing to create the centrifugal force necessary to move liquid.